| Noun | 1. | Voltaic - a group of Niger-Congo languages spoken primarily in southeastern Mali and northern Ghana Niger-Congo - a family of African language spoken in west Africa |
| Adj. | 1. | voltaic - pertaining to or producing electric current by chemical action; "a galvanic cell"; "a voltaic (or galvanic) couple"electricity - a physical phenomenon associated with stationary or moving electrons and protons |